1.4L - Intermittent Condition, Pcm/ecm Reprogramming, Powertrain Verification Test & Pre-Diagnostic Troubleshooting Procedure: Diagnosis Dodge Dart PF

DIAGNOSTIC TEST

INTERMITTENT CONDITION

Note. The conditions that set the DTC are not present at this time. The following list may help in identifying the intermittent condition.

1. Perform any Technical Service Bulletins (TSBs) that may apply.
2. Review the scan tool Freeze Frame information. If possible, try to duplicate the conditions under which the DTC set.
3. With the engine running at normal operating temperature, monitor the scan tool parameters related to the DTC while wiggling the wire harness. Look for parameter values to change and/or a DTC to set.
4. Turn the ignition off.
5. Visually inspect the related wire harness. Disconnect all the related harness connectors. Look for any chafed, pierced, pinched, partially broken wires and broken, bent, pushed out, or corroded terminals. Verify correct connector pin fit at the related connectors.
6. Perform a voltage drop test on the related circuits between the suspected inoperative component and the PCM.
7. Inspect and clean all PCM, engine, and chassis grounds that are related to the most current DTC.
8. If numerous trouble codes were set, use a wire schematic and look for any common ground or supply circuits.
9. For any Relay DTCs, actuate the Relay with the scan tool and wiggle the related wire harness to try to interrupt the actuation.
10. For intermittent Evaporative Emission trouble codes perform a visual and physical inspection of the related parts including hoses and the Fuel Filler cap.
11. For intermittent Misfire DTCs check for restrictions in the Intake and Exhaust system, proper installation of Sensors, vacuum leaks, and binding components that are run by the accessory drive belt.
12. Use the scan tool to perform a System Test if one applies to failing component.
13. A co-pilot, data recorder, and/or lab scope should be used to help diagnose intermittent conditions. Were any problems found during the above inspections? Yes Perform the necessary repairs. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-646311-S01167455112014072800000) . No Test Complete.

REPAIR PROCEDURE - USING WITECH™ DIAGNOSTIC APPLICATION

1. An overview of ECU flashing is available in the wiTECH™ Diagnostic Application. This overview may be found by first selecting the "Help" tab, then "Help Contents." This will open the wiTECH™ Help System. Selecting "Flashing an ECU" under the "Using the wiTECH™ Diagnostic Application" heading will display a step-by-step instructional guide to flashing an ECU. An instructional video can also be viewed by selecting "Flash ECU" under the "Videos" heading.
2. Continue to «SECTION 2 - ADDITIONAL PCM/TCM REPLACEMENT PROCEDURES»(ref-646311-S02462936872014072800000) to complete the process if the ECU has been replaced.
3. Type the necessary information on the "Authorized Modification Label" (P/N 04275086AB) and attach near the VECI label (Refer to «SECTION 3 - AUTHORIZED MODIFICATION LABEL»(ref-646311-S34263860792014072800000) for details).

1. SELECTING THE PROPER VERIFICATION TEST The following verification test are for different repairs. Select the appropriate Verification test for the repair that has been completed. If the battery was disconnected for any reason, you must perform the Battery Reconnection procedure. Refer to «BATTERY SYSTEM - SERVICE INFORMATION»(ref-646227) . Speed Control repair Go To 2 Charging System repair Go To 3 EVAP System repair Go To 4 All other repairs Go To 5
2. SPEED CONTROL VERIFICATION TEST NOTE: If this vehicle is equipped with an Electronic Throttle Control system and the APP Sensors, PCM or Throttle Body Assembly have been replaced, use the scan tool to perform the Throttle Body Self Learn function. NOTE: After completing the Powertrain Verification Test the Transmission Verification Test must be performed. NOTE: If the PCM has been replaced and the correct VIN and mileage have not been programmed, a DTC will set in the ABS Module, Airbag Module and the Body Control Module (BCM). NOTE: If the vehicle is equipped with a Sentry Key Immobilizer System, Secret Key data must be updated. Inspect the vehicle to make sure that all engine components are properly installed and connected. Connect the scan tool to the data link connector and erase all codes. Turn the speed control ON (if equipped, cruise light will be on). Depress and release the SET Switch when the vehicle speed is greater than 56 km/h (35 mph). The speed control should engage and hold the selected speed. Press and hold the RESUME/ACCEL Switch. The vehicle speed should increase by at least 3 km/h (2 mph). Press and hold the COAST switch. The vehicle speed should decrease. Using caution, press and release the brake pedal. The speed control should disengage. Bring the vehicle speed back up to 56 km/h (35 mph). Press the RESUME/ACCEL switch. The speed control should resume the previously set speed. Hold down the SET switch. The vehicle should decelerate. Make sure vehicle speed is greater than 56 km/h (35 mph) and release the SET Switch. The vehicle should adjust and set a new vehicle speed. Press and release the CANCEL switch. The speed control should disengage. Bring the vehicle speed back up above 56 km/h (35 mph) and engage speed control. Turn the Speed Control Off. (Cruise light will be off). The speed control should disengage. Did the Speed Control pass the above test? Yes Repair is complete. No Check for any related Technical Service Bulletins and perform the appropriate diagnostic procedure. Refer to «DTC INDEX»(/dodge/dart/pf-2012-2016/remont/dtc-index/#dtc-index) .
3. CHARGING SYSTEM VERIFICATION TEST NOTE: If this vehicle is equipped with an Electronic Throttle Control system and the APP Sensors, PCM or Throttle Body Assembly have been replaced, use the scan tool to perform the Throttle Body Self Learn function. NOTE: After completing the Powertrain Verification Test the Transmission Verification Test must be performed. NOTE: If the PCM has been replaced and the correct VIN and mileage have not been programmed, a DTC will set in the ABS Module, Airbag Module and the Body Control Module (BCM). NOTE: If the vehicle is equipped with a Sentry Key Immobilizer System, Secret Key data must be updated. Inspect the vehicle to make sure that all components related to the repair are properly installed and connected. With the scan tool, clear DTCs. Perform generator output test. Refer to the appropriate Service Information as necessary. Start the engine and set engine speed to 2000 RPM for at least thirty seconds. Cycle the ignition key off and on. With the scan tool, read the DTCs. Are any DTCs or symptoms remaining? Yes Check for any Technical Service Bulletins and perform the appropriate diagnostic procedure. Refer to «DTC INDEX»(/dodge/dart/pf-2012-2016/remont/dtc-index/#dtc-index) . No Repair is complete.
4. EVAPORATIVE EMISSION VERIFICATION TEST NOTE: If this vehicle is equipped with an Electronic Throttle Control system and the APP Sensors, PCM or Throttle Body Assembly have been replaced, use the scan tool to perform the Throttle Body Self Learn function. Install the Evaporative Emission Leak Detector (EELD) (special tool #8404B, Kit, EELD And Accessory) according to the instructions in the previous DTC table. Set the smoke/air control switch to AIR. Insert the tester's AIR supply tip (clear hose) into the appropriate calibration orifice on the tester's control panel (based on DTC leak size). Press the remote smoke/air start button. Position the red flag on the air flow meter so it is aligned with the indicator ball. When the calibration is complete, release the remote button. The EELD flow meter is now calibrated in liters per minute to the size of leak indicated by the DTC set in the PCM. Install the service port adapter (special tool #8404-14, Adapter, Evaporative Service Port) on the vehicle's service port. Connect the Air supply hose from the EELD to the vehicle. Press the remote button to activate AIR flow. NOTE: Larger volume fuel tanks, lower fuel levels or if the vehicle is equipped with a Flow Management Valve may indicate high flow and will require four to five minutes to fill. Compare the flow meter indicator ball reading to the red flag. ABOVE the red flag indicates a leak present. BELOW the red flag indicates a sealed system. If the indicator ball shows a leak present, perform the smoke test indicated in the previous test and identify the leak and repair. Perform this verification test when the repair is complete. Did the indicator ball indicate the a leak is present? Yes Repeat the DTC test to identify the leak and repair. No Repair is complete.
5. POWERTRAIN VERIFICATION TEST NOTE: After completing the Powertrain Verification Test the Transmission Verification Test must be performed. NOTE: With the scan tool, perform the Clear Misfire TLC Miscellaneous Function anytime there has been a repair/replacement made to a powertrain system, for example: flywheel, valvetrain, camshaft and/or crankshaft sensors or components. NOTE: If the PCM has been replaced and the correct VIN and mileage have not been programmed, a DTC will set in the ABS Module, Airbag Module and the Body Control Module (BCM). NOTE: If the vehicle is equipped with a Sentry Key Immobilizer System, Secret Key data must be updated. Refer to the Service Information for the PCM and the Transponder (ignition key) for programming information. Using the scan tool, program the Secret Key information into the PCM using the PCM replaced function under the BCM menu. NOTE: If this vehicle is equipped with an Electronic Throttle Control system and the APP Sensors, PCM or Throttle Body Assembly have been replaced, use the scan tool to perform the Throttle Body Self Learn function and the Reset Accelerator Pedal Adaptive procedure. NOTE: When replacing an O2 Sensor, the PCM RAM memory must be cleared, either by disconnecting the PCM C1 connector or momentarily disconnecting the Battery negative terminal. Inspect the vehicle to make sure that all engine components are properly installed and connected. Reassemble and reconnect components as necessary. Connect the scan tool to the data link connector. Make sure the fuel tank has at least a quarter tank of fuel. Turn off all accessories. If the Catalyst was replaced, with the scan tool select "Catalyst Replaced" under the Miscellaneous Menu Option. If a repair/replacement was made to a powertrain system, with the scan tool select the "Cam Crank Relearn" procedure under PCM Miscellaneous Menu Option. If a Comprehensive Component DTC was repaired, perform steps 9 - 11 . If a Major OBDII Monitor DTC was repaired skip those steps and continue verification. After the ignition has been off for at least 10 seconds, restart the vehicle and run two minutes. With the scan tool, monitor the appropriate pre-test enabling conditions until all conditions have been met. Once the conditions have been met, switch screen to the appropriate OBDII monitor, (Audible beeps when the monitor is running). If the repaired OBDII trouble code has reset or was seen in the monitor while on the road test, the repair is not complete. Check for any related technical service bulletins or flash updates and perform the appropriate diagnostic procedure. Refer to «DTC INDEX»(/dodge/dart/pf-2012-2016/remont/dtc-index/#dtc-index) . If the conditions cannot be duplicated, erase all DTCs with the scan tool. If another DTC has set, and follow the path specified for that DTC. Refer to «DTC INDEX»(/dodge/dart/pf-2012-2016/remont/dtc-index/#dtc-index) . Did the OBDII Monitor run successfully and has the Good Trip Counter changed to one or more? Yes Repair is complete. No Check for any related Technical Service Bulletins and perform the appropriate diagnostic procedure. Refer to «DTC INDEX»(/dodge/dart/pf-2012-2016/remont/dtc-index/#dtc-index) .

1. NO RESPONSE Make sure the scan tool will communicate with the appropriate modules. Are you currently experiencing a NO RESPONSE condition? Yes The NO RESPONSE condition must be properly diagnosed before continuing. Refer to «DIAGNOSIS AND TESTING»(ref-646292-S21791958192014072800000) . For diagnostic procedures and other possible causes, refer to «DIAGNOSIS AND TESTING»(ref-646310-S28395383142014072800000) and «DTC INDEX»(/dodge/dart/pf-2012-2016/remont/dtc-index/#dtc-index) . No Go To 2
2. NO START Is the customer complaint a NO START condition? Yes Check the vehicle for any NO START related PCM DTCs or Vehicle Theft Security related DTCs. If no Theft related DTCs are present, for the No Start related diagnostic procedures. Refer to «DIAGNOSIS AND TESTING»(ref-646310-S28395383142014072800000) . No Go To 3
3. VEHICLE HISTORY AND TSB(s) Continue by reading Powertrain Control Module (PCM) DTCs and record the related Freeze Frame data if any DTCs are present. Whether or not any DTCs are present you will want to check the following items which may assist in repairing the customers complaint successfully. Check the vehicle's repair history. If the vehicle has a repair history that pertains to the customer's current complaint, review the repair. Inspect the vehicle for any aftermarket accessories that may have been installed incorrectly. Check for any Technical Service Bulletins (TSB)s related to the customer's complaint or DTCs. If a TSB applies, follow the instructions per the TSB. Choose the following scenario that best applies. The TSB repaired the customer's complaint. Testing complete. A DTC is present, no TSB applies or the TSB didn't repair the customer's complaint. Go To 4 No DTCs are present. Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to «INTERMITTENT CONDITION»(ref-646311-S06045714462014072800000) .
4. WIRE HARNESS INSPECTION Clear the DTCs. Attempt to duplicate the customer complaint. Whether the customer complaint can be duplicated or not, make a quick wire harness inspection related to the DTCs that were previously cleared. Check the Powertrain Control Module connectors, the suspected component connection, in-line connectors, wire harness splices, PCM power and ground circuits and any related fuses. If the DTCs are fuel or air related, check the fuel level and quality. Were any repairs made that fixed the customer's complaint? Yes Testing complete. No Perform the diagnostic test procedure related to the DTC and perform the appropriate diagnostic procedure. Refer to «DTC INDEX»(/dodge/dart/pf-2012-2016/remont/dtc-index/#dtc-index) .

See also:
• DTC INDEX